typo: fix readme and bfe_modules's md files

Signed-off-by: kwanhur <huang_hua2012@163.com>

Makefile

@@ -129,11 +129,11 @@ precommit:
 
 # make mdlint
 mdlint:
-	$(MDLINT) $(WORKROOT)
+	$(MDLINT) --ignore $(WORKROOT)/**/testdata/**/*.md $(WORKROOT)
 
 # make mdlint-fix
 mdlint-fix:
-	$(MDLINT) --fix $(WORKROOT)
+	$(MDLINT) --fix --ignore $(WORKROOT)/**/testdata/**/*.md $(WORKROOT)
 
 # make check
 check:

README-CN.md

@@ -17,7 +17,7 @@ BFE (Beyond Front End) 是百度开源的现代化、企业级的七层负载均
 
 BFE 是 [云原生计算基金会 (Cloud Native Computing Foundation, CNCF)](https://cncf.io/) 的一个沙箱项目
 
-![](./docs/images/cncf-logo.png)
+![cncf-logo](./docs/images/cncf-logo.png)
 
 ## 简介
 

README.md

@@ -17,7 +17,7 @@ BFE (Beyond Front End) is a modern layer 7 load balancer from baidu.
 
 BFE is a [Cloud Native Computing Foundation](https://cncf.io/) (CNCF) sandbox project.
 
-![](./docs/images/cncf-logo.png)
+![cncf-logo](./docs/images/cncf-logo.png)
 
 ## Introduction
 

bfe_modules/mod_markdown/testdata/testcase0.md

@@ -1 +1 @@
-# hello world
+# hello world

bfe_modules/mod_markdown/testdata/testcase1.md

@@ -10,13 +10,17 @@ You will like those projects!
 
 ---
 
-# h1 Heading 
+# h1 Heading
+
 ## h2 Heading
+
 ### h3 Heading
+
 #### h4 Heading
+
 ##### h5 Heading
-###### h6 Heading
 
+###### h6 Heading
 
 ## Horizontal Rules
 
@@ -26,7 +30,6 @@ ___
 
 ***
 
-
 ## Typographic replacements
 
 Enable typographer option to see result.
@@ -39,7 +42,6 @@ test.. test... test..... test?..... test!....
 
 "Smartypants, double quotes" and 'single quotes'
 
-
 ## Emphasis
 
 **This is bold text**
@@ -52,15 +54,12 @@ _This is italic text_
 
 ~~Strikethrough~~
 
-
 ## Blockquotes
 
-
 > Blockquotes can also be nested...
 >> ...by using additional greater-than signs right next to each other...
 > > > ...or with spaces between arrows.
 
-
 ## Lists
 
 Unordered
@@ -79,7 +78,6 @@ Ordered
 2. Consectetur adipiscing elit
 3. Integer molestie lorem at massa
 
-
 1. You can use sequential numbers...
 1. ...or keep all the numbers as `1.`
 
@@ -88,7 +86,6 @@ Start numbering with offset:
 57. foo
 1. bar
 
-
 ## Code
 
 Inline `code`
@@ -100,7 +97,6 @@ Indented code
     line 2 of code
     line 3 of code
 
-
 Block code "fences"
 
 ```
@@ -133,7 +129,6 @@ Right aligned columns
 | engine | engine to be used for processing templates. Handlebars is the default. |
 | ext    | extension to be used for dest files. |
 
-
 ## Links
 
 [link text](http://dev.nodeca.com)
@@ -142,7 +137,6 @@ Right aligned columns
 
 Autoconverted link https://github.com/nodeca/pica (enable linkify to see)
 
-
 ## Images
 
 ![Minion](https://octodex.github.com/images/minion.png)
@@ -156,13 +150,11 @@ With a reference later in the document defining the URL location:
 
 [id]: https://octodex.github.com/images/dojocat.jpg  "The Dojocat"
 
-
 ## Plugins
 
 The killer feature of `markdown-it` is very effective support of
 [syntax plugins](https://www.npmjs.org/browse/keyword/markdown-it-plugin).
 
-
 ### [Emojies](https://github.com/markdown-it/markdown-it-emoji)
 
 > Classic markup: :wink: :crush: :cry: :tear: :laughing: :yum:
@@ -171,23 +163,19 @@ The killer feature of `markdown-it` is very effective support of
 
 see [how to change output](https://github.com/markdown-it/markdown-it-emoji#change-output) with twemoji.
 
-
 ### [Subscript](https://github.com/markdown-it/markdown-it-sub) / [Superscript](https://github.com/markdown-it/markdown-it-sup)
 
 - 19^th^
 - H~2~O
 
-
 ### [\<ins>](https://github.com/markdown-it/markdown-it-ins)
 
 ++Inserted text++
 
-
 ### [\<mark>](https://github.com/markdown-it/markdown-it-mark)
 
 ==Marked text==
 
-
 ### [Footnotes](https://github.com/markdown-it/markdown-it-footnote)
 
 Footnote 1 link[^first].
@@ -204,7 +192,6 @@ Duplicated footnote reference[^second].
 
 [^second]: Footnote text.
 
-
 ### [Definition lists](https://github.com/markdown-it/markdown-it-deflist)
 
 Term 1
@@ -229,7 +216,6 @@ Term 2
   ~ Definition 2a
   ~ Definition 2b
 
-
 ### [Abbreviations](https://github.com/markdown-it/markdown-it-abbr)
 
 This is HTML abbreviation example.

bfe_modules/mod_trace/README.md

@@ -1,9 +1,12 @@
 # mod_trace
 
 ## Introduction
+
 mod_trace is a BFE plugin for OpenTracing.
 
 ## Usage
-See: 
+
+See:
+
 * https://www.bfe-networks.net/en_us/modules/mod_trace/mod_trace/
 * https://www.bfe-networks.net/zh_cn/modules/mod_trace/mod_trace/