chore: import upstream snapshot with attribution

examples/tiny_twitter/.gitignore

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+sqlpage.bin

examples/tiny_twitter/Dockerfile

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+FROM lovasoa/sqlpage:main
+
+COPY sqlpage /etc/sqlpage
+COPY . /var/www/

examples/tiny_twitter/README.md

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+# Tiny Tweeter
+
+This is a simple example of a very simple Twitter-like application running on top of PostgreSQL.
+It is called tweeter because Elon Musk already has the Twitter trademark, even though he doesn't use it.
+
+It was presented at the [2023 PGConf.EU](https://2023.pgconf.eu/) conference.
+
+You can find the slides at https://sql-page.com/pgconf/pgconf-2023.html.

examples/tiny_twitter/docker-compose.yml

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+services:
+  sqlpage:
+    build: .
+    ports: ["8080:8080"]
+    volumes: [".:/var/www"]
+    depends_on: [postgres]
+    environment:
+      - DATABASE_URL=postgres://root:root@postgres/sqlpage
+  postgres:
+    image: postgres:18
+    environment:
+      - POSTGRES_USER=root
+      - POSTGRES_PASSWORD=root
+      - POSTGRES_DB=sqlpage

examples/tiny_twitter/index.sql

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+select 'shell' as component,
+       'TinyTweeter' as title;
+
+select 'form' as component,
+       'Tweet' as validate;
+select 'new_tweet' as name,
+       'Your story' as label,
+       'textarea' as type,
+       'Tell me your story...' as placeholder;
+select 'checkbox' as type,
+       'Terms and conditions' as label,
+       true as required;
+       
+insert into tweets (tweet)
+select :new_tweet
+where :new_tweet is not null;
+
+select 'card' as component,
+       'Tweets' as title,
+       1 as columns;
+select tweet as description
+from tweets;

examples/tiny_twitter/sqlpage/migrations/0001_tweets.sql

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+CREATE TABLE tweets(
+    id bigserial,
+    tweet text
+);

examples/tiny_twitter/test.hurl

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+GET http://localhost:8080
+HTTP 200
+[Asserts]
+body contains "TinyTweeter"
+body contains "Tell me your story..."
+body contains "Terms and conditions"
+body not contains "An error occurred"
+
+POST http://localhost:8080
+[FormParams]
+new_tweet: Hurl tiny twitter post
+HTTP 200
+[Asserts]
+body contains "TinyTweeter"
+body contains "Hurl tiny twitter post"
+body not contains "An error occurred"