docs: replace console language with shell

docs/manual/contributing/getting-started.md

@@ -17,13 +17,13 @@ the `home-manager` command use it by either
 
 1.  overriding the default path by using the `-I` command line option:
 
-    ``` console
+    ``` shell
     $ home-manager -I home-manager=$HOME/devel/home-manager
     ```
 
     or, if using [flakes](#sec-flakes-standalone):
 
-    ``` console
+    ``` shell
     $ home-manager --override-input home-manager ~/devel/home-manager
     ```
 

docs/manual/contributing/guidelines.md

@@ -82,7 +82,7 @@ descriptions and the documentation of Home Manager can be generated and
 opened by typing the following in a shell within a clone of the Home
 Manager Git repository:
 
-``` console
+``` shell
 $ nix-build -A docs.html
 $ xdg-open ./result/share/doc/home-manager/index.html
 ```
@@ -90,7 +90,7 @@ $ xdg-open ./result/share/doc/home-manager/index.html
 When you have made changes to a module, it is a good idea to check that
 the man page version of the module options looks good:
 
-``` console
+``` shell
 $ nix-build -A docs.manPages
 $ man ./result/share/man/man5/home-configuration.nix.5.gz
 ```

docs/manual/contributing/news.md

@@ -14,7 +14,7 @@ but you should follow some basic guidelines:
     as time zone. For example, \"2017-09-13T17:10:14+00:00\". A suitable
     timestamp can be produced by the command
 
-    ``` console
+    ``` shell
     $ date --iso-8601=second --universal
     ```
 

docs/manual/contributing/tests.md

@@ -12,20 +12,20 @@ functions available in test scripts, you can look at NMT's
 
 The full Home Manager test suite can be run by executing
 
-``` console
+``` shell
 $ nix-shell --pure tests -A run.all
 ```
 
 in the project root. List all test cases through
 
-``` console
+``` shell
 $ nix-shell --pure tests -A list
 ```
 
 and run an individual test, for example `alacritty-empty-settings`,
 through
 
-``` console
+``` shell
 $ nix-shell --pure tests -A run.alacritty-empty-settings
 ```
 
@@ -33,6 +33,6 @@ However, those invocations will impurely source the system's nixpkgs,
 and may cause failures. To run against the nixpkgs from the flake.lock,
 use instead e.g.
 
-``` console
+``` shell
 $ nix develop --ignore-environment .#all
 ```