initial work on docs (#69)

* initial work on docs
* fix DOCKER_VERSION
* update location
* add the path **properly**
* Update docs workflow

docs/Writerside/topics/Android.md

@@ -0,0 +1,52 @@
+# Android
+
+Building on linux has been tested on
+- `ubuntu:22.04` (docker tag)
+
+## Install dependencies
+
+```bash
+$ apt update
+$ apt install -y build-essential pkg-config autoconf libtool \
+    ccache make cmake gcc g++ git curl lbzip2 libtinfo5 gperf \
+    unzip python-is-python3
+```
+
+## Prepare source
+
+> If you are running in docker or have not configured git you may need to do the following:
+> ```bash
+> git config --global --add safe.directory '*'
+> git config --global user.email "ci@mrcyjanek.net"
+> git config --global user.name "CI mrcyjanek.net"
+> ```
+
+```bash
+$ git clone https://github.com/mrcyjanek/monero_c --recursive
+$ cd monero_c
+$ ./apply_patches.sh monero
+```
+
+## Building
+
+<tabs>
+<tab title="x86_64">
+<code-block>
+$ ./build_single.sh monero x86_64-linux-android -j$(nproc)
+</code-block>
+</tab>
+<tab title="aarch64">
+<code-block>
+$ ./build_single.sh monero aarch64-linux-android -j$(nproc)
+</code-block>
+</tab>
+<tab title="armv7a">
+<code-block>
+$ ./build_single.sh monero armv7a-linux-androideabi -j$(nproc)
+</code-block>
+</tab>
+</tabs>
+
+## Known issues
+
+None. Open an issue if you find something not working.