Added initial `template`

With link from README index & Contribution page
Updated example/dummy data
Fixed path in `load-example-data` curl cmds
Initial `nested filter` examples
Merged in master
Nested Filter Response example added
Updated Template from CanonicalForm
Merged in master branch
Add SQL examples
Updated description
Filters vs Queries information added
Query option is optional. Performance tip
Updated Styling
Updated README with suggestions via the Issue Page
Merge pull request #7 from eddiejaoude/template

Added initial `template`
Merge pull request #8 from eddiejaoude/filters

Nested Filter Examples
Merge pull request #10 from eddiejaoude/patch-1

Updated README with suggestions via the Issue Page