feat: add LanceDB vector store with upsert, delete, and search

sample-data/Default/Journal/2025/02/12 Feb 2025.md

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+#DayInShort:  Lot going on. Car tyre is flat!
+#physicalhealth: Not so great
+#mentalhealth: Anxiety kicks in.
+#work: [[Person/Paul]] is playing double game.
+#Food:
+	#Breakfast: None
+	#Lunch: Noodle Rice dal
+	#Dinner: 2 dosa
+#Relations: [[Person/VJ]] and I went to [[Org/Costco]]
+#finance: spent almost 210$
+#movie:
+	[[MoviesShows/SILO]] #appletv 
+#selfimprovement: