Txt sqlite db schema for dictionary

This is the .schema of the [blank.sqlite
template](47492f8), extracted via
```
$ sqlite3 blank.sqlite '.schema' > blank.sqlite.schema
```

Just for reference: `push.sqlite`, `sbd.sqlite`, and `smd.sqlite`
currently have identical schemata.

Addresses #91

website/dictTemplates/blank.sqlite.schema

@@ -0,0 +1,31 @@
+CREATE TABLE configs (id TEXT PRIMARY KEY, json TEXT);
+CREATE TABLE searchables (id INTEGER PRIMARY KEY AUTOINCREMENT, entry_id INTEGER REFERENCES entries (id) ON DELETE CASCADE, txt TEXT, level INTEGER);
+CREATE INDEX search ON searchables (txt, level);
+CREATE TABLE history (
+    id             INTEGER  PRIMARY KEY AUTOINCREMENT,
+    entry_id       INTEGER,
+    [action]       TEXT,
+    [when]         DATETIME,
+    email          TEXT,
+    xml            TEXT,
+    historiography TEXT
+);
+CREATE INDEX history_by_entry_id ON history (
+    entry_id,
+    "when"
+);
+CREATE INDEX history_by_email ON history (
+    email,
+    "when"
+);
+CREATE INDEX history_by_when ON history (
+    "when"
+);
+CREATE INDEX history_by_action ON history (
+    "action",
+    "when"
+);
+CREATE TABLE sub (id INTEGER PRIMARY KEY AUTOINCREMENT, parent_id INTEGER REFERENCES entries (id) ON DELETE CASCADE, child_id INTEGER REFERENCES entries (id) ON DELETE CASCADE);
+CREATE TABLE entries (id INTEGER PRIMARY KEY AUTOINCREMENT, doctype TEXT, xml TEXT, title TEXT, sortkey TEXT, needs_resave BOOLEAN DEFAULT (0), needs_refresh BOOLEAN DEFAULT (0), needs_refac BOOLEAN DEFAULT (0));
+CREATE INDEX sortkey ON entries (sortkey);
+CREATE INDEX needs_re ON entries (needs_resave, needs_refresh, needs_refac);