feat: new fuzzy sorter

scratch/test_fuzzy_file.lua

@@ -0,0 +1,20 @@
+RELOAD('telescope')
+
+local sorter = require('telescope.sorters').get_fuzzy_file()
+
+-- Test for tail.
+assert(sorter:score("aaa", "aaa/bbb") > sorter:score("aaa", "bbb/aaa"))
+assert(
+  sorter:score("path", "/path/to/directory/file.txt")
+  > sorter:score("path", "/file/to/directory/path.txt")
+)
+
+-- Matches well for UpperCase (basically just bonus points for having uppercase letters)
+assert(sorter:score("AAA", "/blah/this/aaa/that") > sorter:score("AAA", "/blah/this/AAA/that"))
+
+-- TODO: Determine our strategy for these
+-- TODO: Make it so that capital letters count extra for being after a path sep.
+-- assert(sorter:score("ftp", "/folder/to/python") > sorter:score("FTP", "/folder/to/python"))
+
+-- TODO: Make it so that 
+-- assert(sorter:score("build", "/home/tj/build/neovim") > sorter:score("htbn", "/home/tj/build/neovim"))