Adding fixes for new plugin template

[lc0rp]

Fixes #184
Fixes #187

The new template added some abstract methods that each plugin should implement. This adds those methods to the core plugins.

[codecov]

Codecov Report

Patch coverage: 39.65% and project coverage change: -1.32 ⚠️

Comparison is base (7897925) 56.97% compared to head (a8726f4) 55.65%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #189      +/-   ##
==========================================
- Coverage   56.97%   55.65%   -1.32%     
==========================================
  Files          36       36              
  Lines        2180     2325     +145     
  Branches      233      233              
==========================================
+ Hits         1242     1294      +52     
- Misses        916     1009      +93     
  Partials       22       22              

Impacted Files	Coverage Δ
src/autogpt_plugins/email/__init__.py	0.00% <0.00%> (ø)
src/autogpt_plugins/planner/__init__.py	0.00% <0.00%> (ø)
src/autogpt_plugins/telegram/__init__.py	0.00% <0.00%> (ø)
src/autogpt_plugins/twitter/__init__.py	0.00% <0.00%> (ø)
src/autogpt_plugins/wikipedia_search/__init__.py	0.00% <0.00%> (ø)
src/autogpt_plugins/api_tools/__init__.py	60.34% <46.15%> (+6.64%)	⬆️
src/autogpt_plugins/baidu_search/__init__.py	61.11% <50.00%> (-1.80%)	⬇️
src/autogpt_plugins/bing_search/__init__.py	60.81% <50.00%> (-2.10%)	⬇️
src/autogpt_plugins/bluesky/__init__.py	49.27% <50.00%> (+0.15%)	⬆️
src/autogpt_plugins/news_search/__init__.py	50.68% <50.00%> (-0.14%)	⬇️
... and 13 more

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