add tags and boost for pages

docs/v1/examples/arguments.md

@@ -1,4 +1,7 @@
-### Arguments
+---
+tags:
+  - v1
+---
 
 You can lookup arguments by calling the `Args` function on `cli.Context`, e.g.:
 

docs/v1/examples/bash-completions.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 You can enable completion commands by setting the `EnableBashCompletion`
 flag on the `App` object.  By default, this setting will only auto-complete to
 show an app's subcommands, but you can write your own completion methods for

docs/v1/examples/combining-short-options.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 Traditional use of options using their shortnames look like this:
 
 ```

docs/v1/examples/exit-codes.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 Calling `App.Run` will not automatically call `os.Exit`, which means that by
 default the exit code will "fall through" to being `0`.  An explicit exit code
 may be set by returning a non-nil error that fulfills `cli.ExitCoder`, *or* a

docs/v1/examples/flags.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 Setting and querying flags is simple.
 
 <!-- {

docs/v1/examples/generated-help-text.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 The default help flag (`-h/--help`) is defined as `cli.HelpFlag` and is checked
 by the cli internals in order to print generated help text for the app, command,
 or subcommand, and break execution.

docs/v1/examples/greet.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 Being a programmer can be a lonely job. Thankfully by the power of automation
 that is not the case! Let's create a greeter app to fend off our demons of
 loneliness!

docs/v1/examples/subcommands-categories.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 For additional organization in apps that have many subcommands, you can
 associate a category for each command to group them together in the help
 output.

docs/v1/examples/subcommands.md

@@ -1,3 +1,8 @@
+---
+tags:
+  - v1
+---
+
 Subcommands can be defined for a more git-like command line app.
 
 <!-- {

docs/v1/examples/version-flag.md

@@ -1,4 +1,7 @@
-### Version Flag
+---
+tags:
+  - v1
+---
 
 The default version flag (`-v/--version`) is defined as `cli.VersionFlag`, which
 is checked by the cli internals in order to print the `App.Version` via