search symbols in workspace

Usage:
  gopls [flags] workspace_symbol [workspace_symbol-flags] <query>

Example:

	$ gopls workspace_symbol -matcher fuzzy 'wsymbols'

workspace_symbol-flags:
  -matcher=string
    	specifies the type of matcher: fuzzy, fastfuzzy, casesensitive, or caseinsensitive.
    	The default is caseinsensitive.
