[mod] docs: add acknowledgements section (#5449)

* [mod] docs: add acknowledgements section

Moves all images into a `assets/` folder.

* [fix] docs: normalize brands svg

6 files changed, 34 insertions, 2 deletions

diff --git a/docs/admin/answer-captcha.rst b/docs/admin/answer-captcha.rst
index 7ae29be0c..9ca17ebd5 100644
--- a/docs/admin/answer-captcha.rst
+++ b/docs/admin/answer-captcha.rst
@@ -48,7 +48,7 @@ solve the CAPTCHA from `qwant.com <https://www.qwant.com/>`__.
 
   .. group-tab:: Firefox
 
-     .. kernel-figure:: answer-captcha/ffox-setting-proxy-socks.png
+     .. kernel-figure:: /assets/answer-captcha/ffox-setting-proxy-socks.png
         :alt: FFox proxy on SOCKS5, 127.0.0.1:8080
 
         Firefox's network settings
@@ -66,4 +66,3 @@ solve the CAPTCHA from `qwant.com <https://www.qwant.com/>`__.
 
    -N
       Do not execute a remote command.  This is useful for just forwarding ports.
-
diff --git a/docs/admin/answer-captcha/ffox-setting-proxy-socks.png b/docs/assets/answer-captcha/ffox-setting-proxy-socks.png
index 3da85d2c0..3da85d2c0 100644
--- a/docs/admin/answer-captcha/ffox-setting-proxy-socks.png
+++ b/docs/assets/answer-captcha/ffox-setting-proxy-socks.png
diff --git a/docs/assets/sponsors/browserstack.svg b/docs/assets/sponsors/browserstack.svg
new file mode 100644
index 000000000..d8534a957
--- /dev/null
+++ b/docs/assets/sponsors/browserstack.svg
@@ -0,0 +1 @@
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diff --git a/docs/assets/sponsors/docker.svg b/docs/assets/sponsors/docker.svg
new file mode 100644
index 000000000..654c7ac04
--- /dev/null
+++ b/docs/assets/sponsors/docker.svg
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diff --git a/docs/assets/sponsors/tuta.svg b/docs/assets/sponsors/tuta.svg
new file mode 100644
index 000000000..4317b2b2c
--- /dev/null
+++ b/docs/assets/sponsors/tuta.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 1024 384"><path fill="#410002" d="M479.178 119.294c-.533-.016-.998.357-1.218 1.078l-24.438 78.364.005-.004c-8.59 27.537 4.516 46.485 34.268 46.485 4.336 0 10.006-.357 11.776-.797.885-.264 1.33-.71 1.594-1.506l5.134-17.177c.264-.973-.09-1.77-1.507-1.683-4.517.445-8.588.797-12.308.797-14.964 0-21.075-7.968-16.646-22.224l10.446-33.47h30.373c.797 0 1.506-.445 1.858-1.418l5.401-17.355c.264-.973-.264-1.681-1.417-1.681H492.66l3.895-12.662c.265-.885.089-1.418-.62-2.034l-15.761-14.255c-.332-.3-.676-.45-.996-.459zm173.64 0c-.532-.016-.996.357-1.218 1.078l-24.436 78.364.005-.004c-8.59 27.537 4.517 46.485 34.268 46.485 4.342 0 10.004-.357 11.778-.797.884-.264 1.324-.71 1.593-1.506l5.133-17.177c.26-.973 0-1.77-1.508-1.683-4.517.445-8.59.797-12.307.797-14.966 0-21.077-7.968-16.646-22.224l10.445-33.47H690.3c.795 0 1.504-.445 1.854-1.418l5.402-17.355c.265-.973-.26-1.681-1.414-1.681H666.3l3.896-12.662c.265-.885.087-1.418-.618-2.034l-15.765-14.255c-.332-.3-.676-.45-.996-.459zm-48.32 29.404c-.974 0-1.503.444-1.862 1.417L590.502 188.9c-7.525 23.998-19.478 37.721-31.965 37.721-12.487 0-17.797-9.83-13.105-24.883l16.028-51.178c.351-1.149-.088-1.857-1.328-1.857H539.94c-.97 0-1.505.444-1.86 1.417l-15.497 49.233.008-.005c-8.765 27.982 5.315 46.31 27.452 46.31 12.747 0 22.756-6.111 29.93-16.118l-.176 12.838c0 1.241.621 1.593 1.681 1.593h14.17c1.064 0 1.504-.445 1.859-1.418l28.512-91.997c.35-1.15-.09-1.858-1.33-1.858zm147.96.005c-43.653 0-60.654 37.719-60.654 62.157-.09 21.339 13.282 34.798 31.08 34.798v.004c11.868 0 21.693-5.314 29.133-16.117v12.836c0 1.061.62 1.596 1.594 1.596h14.166c.974 0 1.505-.446 1.86-1.42l28.777-92.086c.265-.973-.266-1.768-1.24-1.768zm-.616 20.54h17.265l-6.197 19.57c-7.35 23.289-18.684 37.896-32.585 37.896-10.094 0-15.585-6.907-15.585-18.15 0-17.976 13.722-39.315 37.102-39.315z"/><path fill="#850122" d="M226.561 106.964c-.558.007-1.043.428-1.043 1.095V251.59c0 1.594 2.04 1.594 2.48 0L261.38 143.3c.445-1.241.446-2.039-.62-3.1l-33.204-32.762c-.299-.332-.66-.478-.996-.474zm55.983 41.739c-1.241 0-1.594.444-2.039 1.417l-43.919 142.203c-.176.797.177 1.594 1.242 1.594h145.747c1.418 0 2.04-.62 2.48-1.858l44.098-141.499c.445-1.417-.18-1.857-1.417-1.857zm-40.022-58.62c-1.418 0-1.594 1.242-.797 2.04l35.065 35.24c.796.798 1.594 1.061 2.836 1.061h149.467c1.065 0 1.68-1.24.62-2.214l-34.63-34.885c-.796-.796-1.592-1.242-3.274-1.242z"/></svg>
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diff --git a/docs/index.rst b/docs/index.rst
index 4c5a0c2a5..113a177bb 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -56,4 +56,34 @@ If you don't trust anyone, you can set up your own, see :ref:`installation`.
    utils/index
    src/index
 
+
+----------------
+Acknowledgements
+----------------
+
+The following organizations have provided SearXNG access to their paid plans at
+no cost:
+
+.. flat-table::
+   :widths: 1 1
+
+   * - .. image:: /assets/sponsors/docker.svg
+          :target: https://docker.com
+          :alt: Docker
+          :align: center
+          :height: 100 px
+
+     - .. image:: /assets/sponsors/tuta.svg
+          :target: https://tuta.com
+          :alt: Tuta
+          :align: center
+          :height: 100 px
+
+   * - .. image:: /assets/sponsors/browserstack.svg
+          :target: https://browserstack.com
+          :alt: BrowserStack
+          :align: center
+          :height: 100 px
+
+
 .. _searx.space: https://searx.space