Replace How-it-works link with Blog

docs/content/how-it-works.md

@@ -1,93 +0,0 @@
-+++
-title = "How it works"
-description = "How it works"
-weight = 1
-+++
-
-# Search std docs
-
-## 1. Build *search index*
-
-The raw *search index* was generated by **rustc-doc**. The most important function is `build_index()` which 
-located at [librustdoc/html/render/cache.rs](https://github.com/rust-lang/rust/blob/master/src/librustdoc/html/render/cache.rs).
-
-The final *search index* is an object array like this:
-
-```js
-var searchIndex = [
-    {
-      crate: "std",
-      desc: "A hash map implemented with linear probing and Robin Hood bucket stealing.",
-      name: "HashMap",
-      parent: undefined,
-      path: "std::collections",
-      ty: 3,
-      type: null
-    },
-    {
-      crate: "std",
-      desc: "Applies function to the elements of iterator and returns the first non-none result.",
-      name: "find_map",
-      parent: {ty: 8, name: "Iterator"},
-      path: "std::iter",
-      ty: 11,
-      type: [["self"],["f"]]
-    },
-    ...
-];
-```
- 
-## 2. Build *search words array* based on *search index*
-
-The *search words array* is the list of search words to query against which build from the raw *search index*.
-It's just a plain name array of every Rust structs, traits, enums, functions, methods, macros, etc.
-```js
-var searchWords = [
-    "result", 
-    "option", 
-    "hashmap", 
-    "hashset", 
-    "clone", 
-    "copy", 
-    "display", 
-    "debug",
-    ...
-];
-```
-
-## 3. Search keyword in *search words array*
-
-Using *Levenshtein distance* algorithm to search matched words, the max Levenshtein distance is 2.
-
-```js
-// Max levenshtein distance.
-var MAX_LEV_DISTANCE = 2;
-```
-
-## 4. Sort *search result* 
-
-Sort search result according to *Levenshtein distance*, lexicographical and others metrics.
-
-## 5. Transform *search result* to *suggestion result* to show in the address bar
-
-Mapping the *search word* and *search index* to generate the *search result*, build Rust doc link for each result item.
-
-```js
-var suggestResults = [
-    {
-      content: "https://doc.rust-lang.org/std/ops/trait.Deref.html",
-      description: "std::ops::<match>Deref</match> - <dim>Used for immutable dereferencing operations, like `*v`.</dim>"
-    },
-    {
-      content: "https://doc.rust-lang.org/std/ops/trait.Deref.html#tymethod.deref",
-      description: "std::ops::Deref::<match>deref</match> - <dim>Dereferences the value.</dim>"
-    },
-    ...
-];
-```
-
-# Search crates on crates.io
-
-## 1. Build crates index
-
-To be done...

docs/templates/_macros.html

@@ -8,6 +8,7 @@
 </a>
 
 <nav>
+    <a class="nav-item subtitle-text" href="https://blog.huhu.io">Blog</a>
     {% for page in section.pages %}
     <a class="nav-item subtitle-text" href="{{ page.permalink }}">{{ page.title }}</a>
     {% endfor %}