General documentation cleanup (#3317)

* Clean up spelling, grammar, perspective, whitespace, language, markup, etc.

docs/content/doc/installation/from-package.en-us.md

@@ -15,17 +15,30 @@ menu:
 
 # Installation from package
 
-## Linux
+## Debian
 
-We have not published any real package yet, we will update this page directly when we start to publish packages for any Linux distribution, in the meantime you should follow our [installation from binary]({{< relref "from-binary.en-us.md" >}}) guide.
+The only distribution that has any "official" package of Gitea is Debian. This is currently
+in Debian's [contrib](https://wiki.debian.org/SourcesList). This is (currently) only available
+in Debian testing and unstable (but should be installable/functional on stable).
+
+- Edit /etc/apt/sourced.list
+   - Add "contrib" to "deb http://deb.debian.org/debian unstable main contrib"
+- apt-get update
+- apt-get install gitea
+
+For other distributions, see the [deployment from binary]({{< relref "from-binary.en-us.md" >}}) guide.
 
 ## Windows
 
-We have not published any package for Windows yet, we will update this page directly when we start to publish packages in the form of `MSI` installers or via [Chocolatey](https://chocolatey.org/), in the meantime you should follow our [installation from binary]({{< relref "from-binary.en-us.md" >}}) guide.
+There are no published packages for Windows. This page will change when packages are published,
+in the form of `MSI` installers or via [Chocolatey](https://chocolatey.org/). In the meantime
+the [deployment from binary]({{< relref "from-binary.en-us.md" >}}) guide.
 
 ## macOS
 
-Currently we only support the installation via `brew` for macOS. If you are not using [Homebrew](http://brew.sh/) you should follow our [installation from binary]({{< relref "from-binary.en-us.md" >}}) guide. To install Gitea via `brew` you just need to execute the following commands:
+Currently, the only supported method of installation on MacOS is [Homebrew](http://brew.sh/).
+Following the [deployment from binary]({{< relref "from-binary.en-us.md" >}}) guide may work,
+but is not supported. To install Gitea via `brew`:
 
 ```
 brew tap go-gitea/gitea
@@ -34,13 +47,14 @@ brew install gitea
 
 ## FreeBSD
 
-A FreeBSD port `www/gitea` is available.  You can install a pre-built binary package:
+A FreeBSD port `www/gitea` is available. To install the pre-built binary package:
 
 ```
 pkg install gitea
 ```
 
-For the most up to date version, or to build the port with custom options, [install it from the port](https://www.freebsd.org/doc/handbook/ports-using.html):
+For the most up to date version, or to build the port with custom options,
+[install it from the port](https://www.freebsd.org/doc/handbook/ports-using.html):
 
 ```
 su -
@@ -48,10 +62,8 @@ cd /usr/ports/www/gitea
 make install clean
 ```
 
-The port uses the standard FreeBSD file system layout: config files are in `/usr/local/etc/gitea`, bundled templates, options, plugins and themes are in `/usr/local/share/gitea`, and a start script is in `/usr/local/etc/rc.d/gitea`.
+The port uses the standard FreeBSD file system layout: config files are in `/usr/local/etc/gitea`,
+bundled templates, options, plugins and themes are in `/usr/local/share/gitea`, and a start script
+is in `/usr/local/etc/rc.d/gitea`.
 
-To enable Gitea to run as a service, run `sysrc gitea_enable=YES` and start it with `service gitea start`. 
-
-## Anything missing?
-
-Are we missing anything on this page? Then feel free to reach out to us on our [Discord server](https://discord.gg/NsatcWJ), there you will get answers to any question pretty fast.
+To enable Gitea to run as a service, run `sysrc gitea_enable=YES` and start it with `service gitea start`.