reorganize my blogs

.gitignore

@@ -1,3 +1,5 @@
 /resources/
 .hugo_build.lock
 /content-org/images/
+/drawio/
+*.aria2

README.org

@@ -1,25 +1,14 @@
-* My Blog Source
+* Welcome!
 
-  This is my blog source repo, which generates [[https://k4i.top][my site]] using hugo.
+This is the source my blog: [[https://k4i.top][k4i.top]].
 
-** TODO Ideas [0/7]
+* Pipeline
 
-   + [ ] 通过各个顺序遍历的结果恢复二叉树
-   + [ ] 拓扑排序
-     + [Kahn’s algorithm, track indegree of nodes](https://www.geeksforgeeks.org/topological-sorting-indegree-based-solution/)
-     + [dfs + stack](https://www.geeksforgeeks.org/topological-sorting/)
-     + [All Topological Sorts](https://www.geeksforgeeks.org/all-topological-sorts-of-a-directed-acyclic-graph/)
-   + [ ] parse pcap with c/c++
-   + [ ] Modular multiplicative inverse, The multiplicative inverse
-     of “a modulo m” exists if and only if a and m are relatively prime (i.e.,
-     if gcd(a, m) = 1), three ways.
-     + Extended Euclidean algorithms
-     + Fermats’s little theorem (special case of Euler's theorem)
-     + Finding the modular inverse for every number modulo m
-     + refs:
-       + [Modular Multiplicative Inverse](https://cp-algorithms.com/algebra/module-inverse.html)
-       + [wiki: Modular multiplicative inverse](https://en.wikipedia.org/wiki/Modular_multiplicative_inverse)
-   + [ ] ways to calculate combinations
-   + [ ] minimax
-  + [ ] gRPC
-
+1. Write all my blogs in org mode, stored under [[blog-src/content-org][./blog-src/content-org]]
+2. Export them to markdown files ([[blog-src/content][./blog-src/content]]) with [[https://github.com/kaushalmodi/ox-hugo][ox-hugo]]
+3. Generate html files with [[https://gohugo.io/][hugo]] ([[https://github.com/sky-bro/blog-src/blob/master/.github/workflows/gh-pages.yml][github action]])
+
+* Writing Guide
+
+- [[https://k4i.top/posts/writing-guide-org-plus-ox-hugo/][Writing Guide (org + ox-hugo)]] - new, write =.org= files
+- [[https://k4i.top/posts/writing-guide/][Writing Guide]] - old, write =.md= files