add ez_transfers (#856)

models/descriptions/amount_usd.md

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+{% docs amount_usd %}
+
+The USD value of the transferred amount, calculated using the token price at the time of the transfer. This field enables value-based analytics and comparisons across different tokens.
+
+**Data type:** Numeric (decimal)
+**Example:**
+- 123.45 (represents $123.45 USD)
+
+**Business Context:**
+- Used for tracking transaction volumes, wallet activity, and payment flows in USD terms.
+- Supports analytics on large value transfers, protocol revenue, and user behavior.
+
+{% enddocs %} 

models/descriptions/symbol.md

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+{% docs symbol %}
+
+The symbol of the token involved in the transfer (e.g., SOL, USDC, RAY). Used to identify the asset type in analytics and reporting.
+
+**Data type:** String
+**Example:**
+- SOL
+- USDC
+
+**Business Context:**
+- Enables grouping and filtering of transfers by token.
+- Supports analytics on asset flows, protocol usage, and user preferences.
+
+{% enddocs %} 

models/gold/core/core__ez_transfers.sql

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+{{ config(
+    materialized = 'view',
+    tags = ['scheduled_core', 'exclude_change_tracking']
+) }}
+
+SELECT 
+    a.block_timestamp,
+    a.block_id,
+    a.tx_id,
+    COALESCE(SPLIT_PART(a.INDEX :: text, '.', 1) :: INT, a.INDEX :: INT) AS index,
+    NULLIF(SPLIT_PART(a.INDEX :: text, '.', 2), '') :: INT AS inner_index,
+    a.tx_from,
+    a.tx_to,
+    a.amount,
+    a.amount * p.price AS amount_usd,
+    a.mint,
+    COALESCE(
+        p.symbol,
+        b.symbol
+    ) AS symbol,
+    COALESCE(
+        p.is_verified,
+        FALSE
+    ) AS token_is_verified,
+    a.fact_transfers_id AS ez_transfers_id,
+    a.inserted_timestamp,
+    a.modified_timestamp
+FROM 
+    {{ ref('core__fact_transfers') }} a
+    LEFT JOIN {{ ref('price__ez_asset_metadata') }} b
+    ON a.mint = b.token_address
+    LEFT JOIN {{ ref('price__ez_prices_hourly') }} p
+    ON a.mint = p.token_address
+    AND DATE_TRUNC(
+        'hour',
+        a.block_timestamp
+    ) = p.hour

models/gold/core/core__ez_transfers.yml

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+version: 2
+models:
+  - name: core__ez_transfers
+    description: |-
+      Contains transfer events for Solana and SPL tokens, including pre-parsed transfer amounts, USD value, token symbol, and verification status. This table is best for analytics on asset movement, wallet activity, payment flows, and large value transfers. 
+    columns:
+      - name: BLOCK_TIMESTAMP
+        description: "{{ doc('block_timestamp') }}"
+      - name: BLOCK_ID
+        description: "{{ doc('block_id') }}"
+      - name: TX_ID
+        description: "{{ doc('tx_id') }}"
+      - name: INDEX
+        description: "{{ doc('index') }}"
+      - name: INNER_INDEX
+        description: "{{ doc('inner_index') }}"
+      - name: TX_FROM
+        description: "{{ doc('tx_from') }}"
+      - name: TX_TO 
+        description: "{{ doc('tx_to') }}"
+      - name: AMOUNT 
+        description: "{{ doc('amount') }}"
+      - name: AMOUNT_USD
+        description: "{{ doc('amount_usd') }}"
+      - name: MINT
+        description: "{{ doc('mint') }}"
+      - name: SYMBOL
+        description: "{{ doc('symbol') }}"
+      - name: TOKEN_IS_VERIFIED
+        description: '{{ doc("prices_is_verified") }}'
+      - name: EZ_TRANSFERS_ID
+        description: '{{ doc("pk") }}'   
+      - name: INSERTED_TIMESTAMP
+        description: '{{ doc("inserted_timestamp") }}'   
+      - name: MODIFIED_TIMESTAMP
+        description: '{{ doc("modified_timestamp") }}'