docs: Fix include file paths

Author: tony

docs/cli/index.md

@@ -50,7 +50,7 @@ $ tmuxp shell -c 'python code'
 
 Launch into a python console with [libtmux] objects. Compare to django's shell.
 
-```{image} _static/tmuxp-shell.gif
+```{image} ../_static/tmuxp-shell.gif
 :width: 100%
 ```
 

docs/configuration/examples.md

@@ -565,14 +565,14 @@ pane during creation.
 :::
 
 ````{tab} YAML
-```{literalinclude} ../.tmuxp.yaml
+```{literalinclude} ../../.tmuxp.yaml
 :language: yaml
 
 ```
 ````
 
 ````{tab} JSON
-```{literalinclude} ../.tmuxp.json
+```{literalinclude} ../../.tmuxp.json
 :language: json
 
 ```

docs/plugins/index.md

@@ -14,7 +14,7 @@ your tmuxp configuration file.
 
 ````{tab} YAML
 
-```{literalinclude} ../examples/plugin-system.yaml
+```{literalinclude} ../../examples/plugin-system.yaml
 :language: yaml
 
 ```
@@ -23,7 +23,7 @@ your tmuxp configuration file.
 
 ````{tab} JSON
 
-```{literalinclude} ../examples/plugin-system.json
+```{literalinclude} ../../examples/plugin-system.json
 :language: json
 
 ```