fix(examples): ensure example index files have correct path
feat(base/readFilesProcessor): add projectRelativePath to fileInfo
fix(ngdoc/templates): ensure github links are to valid paths
fix(examples/generateExamplesProcessor): ensure correct files are in manifest
fix(examples): use computePathsProcessor for example file paths
fix(ngdoc/templates): fix github links
docs(README): fix typo in example

Closes #59