update readme, rep

README.md

@@ -4,8 +4,45 @@ finding - command line find tool.
 #### Install
 
 ```shell
+cargo install finding
+
 cargo install --git https://github.com/jht5945/finding
 ```
 
+#### Help
+
+```
+$ finding --help
+Usage:
+  finding [OPTIONS] [SEARCH TEXT]
+
+finding - command line find tool.
+
+Positional arguments:
+  SEARCH TEXT           Search text
+
+Optional arguments:
+  -h,--help             Show this help message and exit
+  -t,--target TARGET    Target, text, huge[file], default text
+  -d,--dir DIR          Target directory, default current dir(.)
+  --huge-file HUGE_FILE Huge file size, default 100M
+  --large-text-file LARGE_TEXT_FILE
+                        Large text file, default 10M
+  -f,--file-ext FILE_EXT
+                        File ext, default all
+  -i,--ignore-case      Ignore case, default false
+  --filter-large-line   Filter large line
+  --large-line-size LARGE_LINE_SIZE
+                        Large line, default 10KB
+  --scan-dot-git        Scan dot git
+  --skip-dot-dir        Skipt dot dir [Text Mode]
+  --skip-link-dir       Skip link dir
+  --filter-file-name FILTER_FILE_NAME
+                        Filter file name [Text Mode]
+  --filter-line-content FILTER_LINE_CONTENT
+                        Filter line content [Text Mode]
+  -v,--version          Print version
+  --verbose             Verbose
+```