Added all N2 notions

🔰 Grammar/Observation.md

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+# Observation
+
+## ところを見ると
+
+ところを{見|み}ると means "judging from".
+Used with verbs.
+
+> [!info] Examples
+> ヘルメットを{被|かぶ}ている==ところを見ると==、{自転車|じてんしゃ}で{来|き}ました。
+> Judging from the fact that he's wearing a helmet, he must have come by bicycle.
+
+## からすると・からすれば
+
+Means "judging from", "considering". 
+Used with nouns.
+
+> [!info] Examples
+> {服|ふく}を´{着|き}る==からすると==、{今日|きょう}は{面接|めんせつ}に{行|い}くでしょう。
+> Judging from the clothes you're wearing, I guess you're going to pass an interview today.