Add import tool and split 2026 notes

[iccir]

I wrote a tool to import the current .md file from the hackmd.io page, extract the meetings, and then append them to the appropriate spot in the "meeting_notes" directory.

This tool operates one year at a time and will warn if you try to import a file that contains both January and December meetings. It will also warn if it cannot parse a single-# heading into a date.

I removed the 2026 meeting notes from "meeting_notes/2025/q2.md".

Let me know if we want a different format for the output files. I chose {year}_{month}_{month_name}.md.

[story645]

I wrote a tool to import the current .md file from the hackmd.io page, extract the meetings, and then append them to the appropriate spot in the "meeting_notes" directory.

Yay! I just use the push button, but this seems like a nice way to get around API limits.

[story645]

cool, I can keep the current notes logged to a current file (not in a folder) so it gets synced but doesn't break the archive

[iccir]

I thought a lot about "how can I double-check and verify that I'm not accidentally altering the archive as I clean it up."

Here's what I came up with:

1. I wrote another tool called "diff_meeting_notes.py". This takes two git commits, concatenates the contents of all files in the "meetings_notes" directory, sorts the lines in the concatenation, and then uses difflib to show the diffs.
2. The resulting diff shouldn't contain any actual meeting notes.

For example:

python tools/diff_meeting_notes.py e66bcba6 7ac7dc2c

Outputs:

--- 
+++ 
+---

Since I moved around a horizontal rule when I extracted the 2026 notes.

python tools/diff_meeting_notes.py e66bcba6 750cf231

Outputs:

diff of e66bcba to 750cf23

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-# April 16th
+# April 16, 2026
+# April 2, 2026
-# April 23rd
+# April 23, 2026
-# April 2nd
-# April 30th
+# April 30, 2026
-# April 9th
+# April 9, 2026
-# August 13th
+# August 13, 2026
-# August 20th
+# August 20, 2026
-# August 6th
+# August 6, 2026
-# Feb 05
-# Feb 12
-# Feb 19
-# Feb 26
+# February 12, 2026
+# February 19, 2026
+# February 26, 2026
+# February 5, 2026
-# Jan 15
-# Jan 22
-# Jan 29
-# Jan 8
+# January 15, 2026
+# January 22, 2026
+# January 29, 2026
+# January 8, 2026
-# July 16th
+# July 16, 2026
+# July 2, 2026
-# July 23rd
+# July 23, 2026
-# July 2nd
-# July 30th
+# July 30, 2026
-# July 9th
+# July 9, 2026
-# June 11th
+# June 11, 2026
-# June 18th
+# June 18, 2026
-# June 25th
+# June 25, 2026
-# June 4th
+# June 4, 2026
-# March 12th
+# March 12, 2026
-# March 19th
+# March 19, 2026
-# March 26th
+# March 26, 2026
-# March 5th
+# March 5, 2026
+# Matplotlib Weekly Meeting: April 2026
+# Matplotlib Weekly Meeting: August 2026
+# Matplotlib Weekly Meeting: February 2026
+# Matplotlib Weekly Meeting: January 2026
+# Matplotlib Weekly Meeting: July 2026
+# Matplotlib Weekly Meeting: June 2026
+# Matplotlib Weekly Meeting: March 2026
+# Matplotlib Weekly Meeting: May 2026
-# May 14th
+# May 14, 2026
-# May 21st
+# May 21, 2026
-# May 28th
+# May 28, 2026
-# May 7th
+# May 7, 2026
-# Month 5th
-## Agenda
-## Notes
+###### tags: `2026 dev call`
+###### tags: `2026 dev call`
+###### tags: `2026 dev call`
+###### tags: `2026 dev call`
+###### tags: `2026 dev call`
+###### tags: `2026 dev call`
+###### tags: `2026 dev call`
+###### tags: `2026 dev call`
-- 
-- [ ] [name=username] - Agenda Item
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
+---
--->
-<!-- Template for weekly meeting for quick copy/paste
-_attending_:

Mostly dates and the HTML <!-- template --> that I added.

---

Going forward, this should allow me to preserve all meetings notes and split them into the correct files while also verifying that no meeting content was modified.