Update plugin doc files

Author: deefrawley

_sidebar.md

@@ -4,7 +4,8 @@
 - [**Usage Tips**](/usage-tips.md)
 - [**Support**](/support.md)
 - [**Plugin Directory**](/plugins.md)
-    - [**Explorer Plugin**](/plugin-explorer-usage.md)
+    - [**Explorer Plugin**](/plugin-explorer.md)
+    - [**Bookmark Plugin**](/plugin-bookmark.md)
 - [**Plugin Development**](/plugin-dev.md)
     - [**plugin.json**](/plugin.json.md)
     - Dotnet Plugins
@@ -31,4 +32,3 @@
     - Porting Plugins
       - [**Porting Plugins Guide**](/port-plugins.md)
 - [**How To Create A Theme**](/how-to-create-a-theme.md)
-- [**Bookmark Locations**](/bookmark-custom-locations.md)

cspell.json

@@ -0,0 +1,9 @@
+{
+    "version": "0.2",
+    "ignorePaths": [],
+    "dictionaryDefinitions": [],
+    "dictionaries": [],
+    "words": [],
+    "ignoreWords": [],
+    "import": []
+}

bookmark-custom-locations.md plugin-bookmark.mdbookmark-custom-locations.md renamed to plugin-bookmark.md

@@ -1,4 +1,6 @@
-## Custom location list
+## Bookmark Plugin
+
+### Custom location list
 
 This page contains the information for setting custom browser locations for the Bookmark plugin that are not included by default. 
 - These locations may not be the exact path, but they are the typical bookmark location for each browser; you can use them as a reference guide.

plugin-explorer-usage.md plugin-explorer.mdplugin-explorer-usage.md renamed to plugin-explorer.md

@@ -4,14 +4,16 @@ Flow Launcher is an open source project that is updated and maintained by a team
 
 - For any errors or bug reports raise an issue in the GitHib Repository. Please follow the new issue template and try and describe in as much detail as you can what you were doing when the error occurred. If it is determined the error is with a third party plugin, you may be directed to open the issue in the plugin author's repository so they can investigate.
 
+**Github**
+
         https://github.com/Flow-Launcher/Flow.Launcher/issues
 
 - For problems, suggestions, hints, tips, help with plugin dev, or just to connect with other Flow Launcher users world-wide, pop in and say hello on
 
-Discord
+**Discord**
 
         https://discord.gg/AvgAQgh
 
-or Reddit
+**Reddit**
 
         https://www.reddit.com/r/FlowLauncher/