assets/markdown: plugins: add bitcoin documentation

markdown/How-do-I-get-started.md

@@ -64,7 +64,7 @@ To get started, you'll only need a modern Linux client (host) with a working Doc
      ```bash
      # NOTE: you can change the domain to `gitea.com`, as this repository is also mirrored there
      if hash git &>/dev/null; then
-       if ! git clone --depth=1 https://gitea.evergreencrypto.co/EvergreenCrypto/docker-finance docker-finance/repo -b v1.3.0; then
+       if ! git clone --depth=1 https://gitea.evergreencrypto.co/EvergreenCrypto/docker-finance docker-finance/repo -b v1.2.0; then
            echo "FATAL: docker-finance repo not cloned" >&2
        fi
      else

markdown/How-do-I-use-it.md

@@ -234,11 +234,11 @@ To mirror these categories, a client-side `custom` plugin directory layout is ge
 
 #### Plugins: Bitcoin
 
-`dfi`'s bitcoin plugin is a two-part client/container set of plugins that gives you direct access to bitcoin's libbitcoinkernel (and related headers/symbols).
+The bitcoin plugin is a two-part client/container set of plugins that gives you direct access to bitcoin's libbitcoinkernel (and related headers/symbols).
 
-The following demo assumes that you'll be using a fresh setup and that you've at least satisfied the required dependencies in [Installation](How-do-I-get-started.md#installation) (Docker Engine/Compose/Buildx, Bash, Git).
+The following demo assumes that you'll be using a fresh setup and that you've at least satisfied the required dependencies in [Installation](How-do-I-get-started.md#installation).
 
-If you're a first-time user and/or developer who simply wants a quickstart, run the following before proceeding:
+If you're a first-time user and/or developer who simply wants a quickstart, use the following before proceeding:
 
 ```bash
 git clone --depth=1 https://gitea.com/EvergreenCrypto/docker-finance docker-finance/repo